NUR 2063 / NUR2063: Essentials of Pathophysiology Final Exam Review Study Guide (Latest ) Rasmussen

What is Pathology? The study and diagnosis of the disease through examination of organs, tissues, cells and body fluids What is Physiology? The study of the mechanical physical and biochemical functions of living organisms What is Pathophysiology? THE SUUDY OF ABNORMALITIES IN PHYSIOLOGIC FUNCTIONG OF LIVING BEINGS What is the framework for Pathophysiology? Etiology – The study of the causes or reasons for phenomena, identification of the cause factors disease Pathogenesis- The development or the evolution. How did the disease actually evolve? Begin? Manifestations? Clinical Manifestations- They are observed signs of the disease EX: increase in WBC Implications/Treatments- An understanding of the etiology, pathophysiology and pathogenesis, determine what will help. What treatment? Homeostasis & Allostasis What is Homeostasis? Remaining stable, set point, equilibrium, systems are in balance What is Allostasis? Ability to successfully adapt to challenges. A dynamic process trhat maintains or reestablishes homeostasis Stress and Disease - Hans Selye- the pioneer in the study of stress and disease, described stages of adaptation to a stressful event: Alarm :Hypothalamus Activates corticotropin, fight or flight response as the result of stressful stimulus. Internal/external HPA- Hypothalamus Pituitary Adrenal Axis Resistance: Activity of the nervous